The evolution of self-medication behaviour in mammals

Lucia C. Neco, Eric S. Abelson, Asia Brown, Barbara Natterson-Horowitz, Daniel T. Blumstein

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Self-medication behaviour is the use of natural materials or chemical substances to manipulate behaviour or alter the body's response to parasites or pathogens. Self-medication can be preventive, performed before an individual becomes infected or diseased, and/or therapeutic, performed after an individual becomes infected or diseased. We summarized all available reports of self-medication in mammals and reconstructed its evolution. We found that reports of self-medication were restricted to eutherian mammals and evolved at least four times independently. Self-medication was most commonly reported in primates. Detailed analyses of primates suggest that self-medication is a life-history trait associated with body size, absolute brain size and longevity, but we found no support for the hypothesis that self-medication evolved to reduce the costs of social living. Large, longer-lived species might thus benefit uniquely from self-medication.
Original languageEnglish
Pages (from-to)373-378
Number of pages6
JournalBiological Journal of the Linnean Society
Volume128
Issue number2
DOIs
Publication statusPublished - 2019
Externally publishedYes

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